Data cleaning courses can help you learn techniques for identifying and correcting errors in datasets, handling missing values, and standardizing data formats. You can build skills in data validation, outlier detection, and transforming raw data into a usable format. Many courses introduce tools like Python libraries such as Pandas and NumPy, as well as software like OpenRefine, that support executing data cleaning tasks efficiently and ensuring data quality for analysis.

University of California, Santa Cruz
Skills you'll gain: Time Series Analysis and Forecasting, Forecasting, Bayesian Statistics, R Programming, Statistical Analysis, Statistical Modeling, R (Software), Regression Analysis, Statistical Methods, Data Analysis, Correlation Analysis, Model Evaluation, Probability Distribution
★ 4.3 (18) · Intermediate · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Go (Programming Language), File I/O, Data Structures, C and C++, Object Oriented Programming (OOP), Object Oriented Design, Software Design Patterns, Debugging, Computer Programming, Programming Principles, Unit Testing, Algorithms, C (Programming Language), Program Development, Software Design, Graph Theory, Software Testing, Computer Science, Code Reusability
★ 4.4 (2.5K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Generative AI, Large Language Modeling, Internal Communications, Communication, Strategic Leadership, Leadership, Business Transformation, Strategic Decision-Making, Business Strategy, Decision Making
★ 4.8 (143) · Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Extract, Transform, Load, Rust (Programming Language), Data Pipelines, JSON, Other Programming Languages, Data Import/Export, Data Integrity, Testability, Data Validation, Data Quality, Test Tools, Software Testing, Data Loss Prevention
Beginner · Course · 1 - 3 Months

Skills you'll gain: Tensorflow, Convolutional Neural Networks, Applied Machine Learning, Image Analysis, Python Programming, Jupyter, Artificial Neural Networks, Deep Learning, Software Visualization, Machine Learning
★ 4.4 (84) · Intermediate · Guided Project · Less Than 2 Hours
University of Illinois Urbana-Champaign
Skills you'll gain: Data Storytelling, Data Governance, Marketing Analytics, Data Presentation, Data Visualization, Business Workflow Analysis, Business Analytics, Data-Driven Marketing, Accounting, Data Management, Storytelling, Data Collection, Data Quality, Data Visualization Software, Classification Algorithms, Business Analysis, Analytics, Data Analysis, Power BI, Machine Learning
★ 4.6 (1.2K) · Beginner · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Generative AI, Generative Model Architectures, AI Product Strategy, AI Enablement, Risking, Communication
★ 4.5 (161) · Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Database Administration, Disaster Recovery, Database Architecture and Administration, Database Systems, Database Management, Database Management Systems, Operational Databases, Data Maintenance, Relational Databases, Databases, Database Design, Data Management, Business Continuity Planning, Database Software, Database Theory, Transaction Processing, Data Governance, Data Security, SQL, Business Continuity
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Dashboard Creation, Dashboard, Report Writing, Business Reporting, Technical Support, IT Management, Information Technology, Data Analysis, Product Support, Analysis, AI literacy, Data Presentation, Analytical Skills, Data-Driven Decision-Making, Collaborative Software, Software Documentation, Self Service Technologies, Problem Solving
Intermediate · Course · 3 - 6 Months

The Chinese University of Hong Kong
Skills you'll gain: Statistical Analysis, SPSS, Statistical Modeling, Statistical Software, Correlation Analysis, Statistical Methods, SPSS (Software), Regression Analysis, Mathematical Modeling, Data Analysis Software, Data Integration, Advanced Analytics, Research Methodologies, Mathematical Software, Data Analysis, Science and Research, Model Evaluation, Dimensionality Reduction, Data Import/Export
★ 4.8 (96) · Mixed · Course · 3 - 6 Months

University of California, Davis
Skills you'll gain: Search Engine Optimization, Keyword Research, Web Analytics and SEO, Content Optimization, Digital Marketing, Content Strategy, Marketing, Customer Analysis, Earned Media, Content Creation, Social Media, User Experience
★ 4.8 (3.7K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Competitive Analysis, Market Research, User Story, User Interface (UI), Competitive Intelligence, User Interface and User Experience (UI/UX) Design, Usability, Persona Development, Microsoft Copilot, Product Development, Market Analysis, UI/UX Strategy, New Product Development, Product Management, Product Lifecycle Management, Product Roadmaps, Data Ethics, Law, Regulation, and Compliance, Responsible AI, Data Governance
★ 4.6 (378) · Beginner · Specialization · 3 - 6 Months